includereg51h>sbitp37=P3^7;voiddelay1();voiddelay();voidmain(){unsignedchari=0;unsignedchars[]={0
includereg51h>includeintrinsh>includeabsacch>defineucharunsignedchardefineuintunsignedintde
proteus电路图keilCx51程序：includereg51h>sbitVD9=P0^0;sbitVD10=P0^1;sbitVD11=P0^2;sbitVD12=P0^3;sbitVD1
电路图C程序：includereg51h>sbitK01=P1^4;sbitK02=P1^5;sbitK03=P1^6;sbitK04=P1^7;sbitVD17=P3^0;sbitVD18=P
用定时器1方式二计数，每计满100次，将P10取反。电路图：c源程序：includereg51h>sbitP1_0=P1^0;voidmain(){TMOD=0X61;TL1=0X9C;TH
includereg51h>includeintrinsh>defineucharunsignedchardefineuintunsignedintunsignedcharcodeseg7
程序代码：includereg51h>includeintrinsh>includeabsacch>definelcdwritecmdXBYTE[0xFC00]defineledwr
includereg51h>includeintrinsh>typedefunsignedcharBYTE;typedefunsignedintWORD;typedefbitBOOL;sb
includereg51h>defineuncharunsignedcharsbitk1=P3^0;sbitk2=P3^1;sbitk3=P3^2;sbitk4=P3^3;sbitk5=P3^4
